CN105517174A - Data transmission method and device - Google Patents
Data transmission method and device Download PDFInfo
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- CN105517174A CN105517174A CN201510812818.8A CN201510812818A CN105517174A CN 105517174 A CN105517174 A CN 105517174A CN 201510812818 A CN201510812818 A CN 201510812818A CN 105517174 A CN105517174 A CN 105517174A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 98
- 238000000034 method Methods 0.000 title claims abstract description 51
- 238000013475 authorization Methods 0.000 claims abstract description 45
- 230000011664 signaling Effects 0.000 claims description 126
- 238000012545 processing Methods 0.000 claims description 34
- 238000012546 transfer Methods 0.000 claims description 26
- 230000000977 initiatory effect Effects 0.000 claims description 17
- 125000004122 cyclic group Chemical group 0.000 claims description 9
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- 238000005516 engineering process Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0833—Random access procedures, e.g. with 4-step access
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
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Abstract
The invention discloses a data transmission method, and the method comprises the steps that a base station receives an uplink data transmission request sent by a first terminal; the base station configures an RACH (random access channel) resource for data transmission; the base station dispatches the RACH resource to the first terminal for data transmission; the base station sends an uplink authorization message to the first terminal, wherein the uplink authorization message comprises the dispatching information that the base station dispatches the RACH resource to the first terminal for data transmission, and is used for indicating that the first terminal employs the RACH resource for data transmission according to the dispatching information. Therefore, the first terminal can carry out the transmission of uplink data through the RACH resource, improves the utilization rate of the RACH resource, and improves the throughput capacity of network flow.
Description
Technical field
The application relates to the communications field, particularly relates to a kind of method and the device that transmit data.
Background technology
Along with popularizing of intelligent terminal, the flourish of bandwidth (English full name: MobileBroadband english abbreviation: MBB) is moved in abundant business-driven, and network traffics increase in explosive.According to mobile research institute consultation report, with regard to hot zones, the total flow of 2016 is by more than 30 times more than 2012.Meanwhile, MBB it is also proposed higher requirement to data throughput.And the MBB service traffics of 70-80% occur in indoor, operator needs emphasis to solve the problem of indoor throughput hoisting.
According to existing standard agreement, for Random Access Channel (English full name: RandomAccessChannel, english abbreviation: RACH) resource, base station is periodically dispatched, and fixedly takies frequency spectrum resource, allows user carry out Stochastic accessing.Agreement specifies that the maximum cycle of RACH is 20ms, and namely no matter user can or can not initiate access procedure to every 20ms resource, and this resource all can be fixed and take once.Under common scenario, in order to ensure the effect of access, the RACH cycle is set to 10ms.
In the MBB epoch, along with indoor business is more and more important, flow accounting is increasing, and Radio Resource utilizes the demand promoting flow more efficiently, and day by day fierce, RACH process has the interval of Optimal improvements under a lot of scene.In-door covering feature: up-downgoing flow is large, and mobility is few, access RACH signaling procedure is few, and coverage is little.
The original intention of agreement well protects the process of Stochastic accessing, and what make the higher priority of user-network access takies resource, carries out Network Synchronization.But, this, when guarantee networking user promptness, also causes a lot of wasting of resources: with one group of data instance, the RACH cycle is set to 10ms, average each RACH takies 6 Resource Block RB resources, so there are a second 600 RB occupied, the 10s time, just have 6000 RB, each RB is 712bps, flow 6000*712=4Mbps in 10s, each station waste carrying throughput theory that adds up for a day to get off reaches as high as 34560Mbps, causes the larger wasting of resources.
Summary of the invention
This application provides a kind of method and the device that transmit data, the utilance improving RACH resource can be realized.
First aspect, provides a kind of method transmitting data, comprising:
Described base station receives the transmitting uplink data request that first terminal sends;
Described base station allocating random access channel RACH resource is for transmitting data;
RACH resource described in described base station scheduling gives described first terminal transmission data;
Described base station sends uplink authorization message to described first terminal, described uplink authorization message comprises RACH resource described in described base station scheduling to the schedule information of described first terminal transmission data, and described uplink authorization message is used to indicate described first terminal and uses described RACH resource to carry out transfer of data according to described schedule information.
Described base station receives the transmitting uplink data request that first terminal sends, described base station allocating random access channel RACH resource is for transmitting data, RACH resource described in described base station scheduling gives described first terminal transmission data, described base station sends uplink authorization message to described first terminal, described uplink authorization message comprises RACH resource described in described base station scheduling to the schedule information of described first terminal transmission data, and described uplink authorization message is used to indicate described first terminal and uses described RACH resource to carry out transfer of data according to described schedule information.Like this, first terminal then can carry out the transmission of upstream data by RACH resource, improve the utilance of RACH resource, thus improve handling up of network traffics.
In a kind of possible implementation, in described base station to after described first terminal sends uplink authorization message, described method also comprises:
According to the cycle of transmission RACH demand signalling, described base station determines that RACH resource described in current time can by use transmission RACH demand signalling, then described RACH resource is carried out to the demodulation of RACH demand signalling, if the success of demodulation RACH demand signalling, then connect with the second terminal initiating described RACH demand signalling; Or,
Described base station is to the demodulation described RACH resource being carried out RACH demand signalling, if the success of demodulation RACH demand signalling, then connects with the second terminal initiating described RACH demand signalling; If failure, then according to the demodulation of described schedule information to the cyclic redundancy check (CRC) code CRC of the enterprising row data of described RACH resource.
The instruction that base station is dispatched according to MAC, when the data that receiving terminal sends or RACH demand signalling, first carries out the demodulation of RACH demand signalling to RACH resource, if do not have unsuccessful demodulation to go out RACH demand signalling, then carry out the demodulation of data to RACH resource.The service priority sending RACH demand signalling request due to terminal sends data to the service priority of base station higher than terminal, by this implementation, then can reduce stand-by period when user accesses, improve the experience of user.
In another kind of possible implementation, described method also comprises:
Described base station configures described RACH resource for transmitting the cycle of RACH demand signalling, and in the moment in cycle of described transmission RACH demand signalling, described RACH resource is for transmitting RACH demand signalling.
Because in existing agreement, the RACH resource of defined is 20ms to the maximum for the cycle of transmitting RACH demand signalling, and under the scene of some indoor, not a lot of terminal needs frequent access, so in this implementation, it is the cycle that RACH resource is configured for transmission RACH demand signalling by base station, like this, base station is configured this cycle by practical application scene, cycle duration can be 2s, the even similar larger duration of 10s, RACH resource then have the more moment be used to transmit data, improve the utilance of RACH resource.
In another kind of possible implementation, described method also comprises:
When described base station detects that the interference value of described RACH resource is greater than predetermined threshold value, described RACH resource is cancelled for transmitting the configuration of data in described base station, and indicates described terminal not use described RACH resource to carry out transfer of data.
RACH resource is not only high for the priority transmitting RACH demand signalling, and RACH resource is when being used to transmission RACH demand signalling, too large interference can not be subject to, like this, the not demodulated success of RACH demand signalling may be caused, cause terminal cannot access base station, so in this implementation, base station is the threshold value that RACH resource arranges an interference, if when detecting that the interference value of RACH resource is greater than described threshold value, then cancel RACH resource for transmitting the configuration of data, make RACH resource for command transmitting, can successful access base station when ensureing terminal access, improve Consumer's Experience.
Second aspect, provides a kind of device transmitting data, and the device of described transmission data has the function realizing said method.Described function can pass through hardware implementing, also can perform corresponding software simulating by hardware.Described hardware or software comprise one or more module corresponding with above-mentioned functions.
In a kind of possible implementation, the device of described transmission data comprises transmitter, receiver and processor; Wherein
Receiver, for receiving the transmitting uplink data request that first terminal sends;
Processor, for allocating random access channel RACH resource for transmitting data;
Described processor also gives described first terminal transmission data for, execution cost RACH resource;
Transmitter, for sending uplink authorization message to described first terminal, described uplink authorization message comprises RACH resource described in described base station scheduling to the schedule information of described first terminal transmission data, and described uplink authorization message is used to indicate described first terminal and uses described RACH resource to carry out transfer of data according to described schedule information.
In another kind of possible implementation, the device of described transmission data comprises receiver module, processing module and sending module; Wherein
Receiver module, for receiving the transmitting uplink data request that first terminal sends;
Processing module, for allocating random access channel RACH resource for transmitting data;
Described processing module also gives described first terminal transmission data for, execution cost RACH resource;
Sending module, for sending uplink authorization message to described first terminal, described uplink authorization message comprises RACH resource described in described base station scheduling to the schedule information of described first terminal transmission data, and described uplink authorization message is used to indicate described first terminal and uses described RACH resource to carry out transfer of data according to described schedule information.
Accompanying drawing explanation
A kind of schematic diagram transmitting the method for data that Fig. 1 provides for the application;
The schematic diagram of the method for another transmission data that Fig. 2 provides for the application;
The schematic diagram of the method for another transmission data that Fig. 3 provides for the application;
The schematic diagram of the method for another transmission data that Fig. 4 a provides for the application;
The schematic diagram of the method for another transmission data that Fig. 4 b provides for the application;
The schematic diagram of the method for another transmission data that Fig. 4 c provides for the application;
A kind of structural representation transmitting the device of data that Fig. 5 provides for the application;
The structural representation of the device of another transmission data that Fig. 6 provides for the application.
Embodiment
This application provides a kind of method and the device that transmit data, for improving the utilance of RACH resource.
Below in conjunction with the accompanying drawing in the application, be clearly and completely described the technical scheme in the application, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the application, those skilled in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the application's protection.
With reference to shown in Fig. 1, this application provides a kind of method transmitting data, comprising:
101, base station receives the transmitting uplink data request that first terminal sends;
When the first terminal connected with base station needs to send upstream data to described base station, described first terminal all needs first to send transmitting uplink data request to described base station, after described base station receives described transmitting uplink data request, it can be just described first terminal allocation of channel resources, upstream data is sent for described first terminal, concurrent row authorization messages of serving, to described first terminal, indicates described first terminal can send upstream data to described base station.Described transmitting uplink data request can be the buffer status report (English full name: BufferStatusReport, english abbreviation: BSR) of described first terminal.
102, described base station allocating random access channel RACH resource is for transmitting data;
Under any circumstance, if mobile terminal needs to set up with base station to communicate, all need to send a message by RACH to base station to come to system application signaling channel, base station will need according to channel request to decide distributed channel type, and this message sent on RACH is referred to as " channel request ".In existing standard agreement, there is one-period in RACH resource, and regulation base station each described cycle just needs scheduling RACH resource for transmitting RACH demand signalling, and the maximum cycle that RACH resource is scheduled is 20ms.And in practical application scene, such as at home or the such indoor of company, a lot of terminal is not had to need access base station continually, namely, RACH resource needs less by situation about using, and in order to avoid the waste of RACH resource, improves the utilance of RACH resource, in the method for the transfer of data that the application provides, configure described RACH resource and may be used for transmitting data.
103, RACH resource described in described base station scheduling gives described first terminal transmission data;
After base station receives the transmitting uplink data request of first terminal transmission, described base station then needs for described first terminal allocation of channel resources, because RACH resource is configured to may be used for transmitting data, then RACH resource described in described base station scheduling gives described first terminal transmission data, to improve the utilance of RACH resource.
104, described base station sends uplink authorization message to described first terminal, described uplink authorization message comprises RACH resource described in described base station scheduling to the schedule information of described first terminal transmission data, and described uplink authorization message is used to indicate described first terminal and uses described RACH resource to carry out transfer of data according to described schedule information;
When base station is after first terminal distributes RACH resource, described base station then needs to send uplink authorization message to described first terminal, indicates described first terminal to carry out transmitting uplink data.Simultaneously, described uplink authorization message also comprises schedule information, described schedule information comprises the enterprising row data of which frequency range of terminal when on RACH channel and sends, and which frequency range of base station when on RACH channel carries out demodulating data etc. realize mutual information, being used to indicate described first terminal uses described RACH resource to carry out transmitting uplink data, and indicates described first terminal in RACH resource, send time and the frequency range of data.
In the application, described base station receives the transmitting uplink data request that first terminal sends, described base station allocating random access channel RACH resource is for transmitting data, RACH resource described in described base station scheduling gives described first terminal transmission data, described base station sends uplink authorization message to described first terminal, described uplink authorization message comprises RACH resource described in described base station scheduling to the schedule information of described first terminal transmission data, and described uplink authorization message is used to indicate described first terminal and uses described RACH resource to carry out transfer of data according to described schedule information.Like this, first terminal then can carry out the transmission of upstream data by RACH resource, improve the utilance of RACH resource, thus improve handling up of network traffics.
On the basis of method shown in Fig. 1, further, please refer to shown in Fig. 2, this application provides the method for another transmission data, comprising:
201, base station receives the transmitting uplink data request that first terminal sends;
Detailed content is with reference to described in step 101.
202, described base station allocating random access channel RACH resource is for transmitting data;
Detailed content is with reference to described in step 102.
203, when described base station determines that described RACH resource is unoccupied, RACH resource described in described base station scheduling gives described first terminal transmission data;
Because a base station can be connected with multiple terminal, multiple terminal is all carried out channel request by RACH resource or is carried out data transmission, in order to avoid interference, described base station is before distribution RACH resource gives described first terminal, described base station first judges that whether described RACH resource is occupied, if unoccupied, then distribute described RACH resource to described first terminal transmission data; If described RACH resource is occupied, then other channel resources can be distributed to described first terminal transmission data in described base station.
204, described base station sends uplink authorization message to described first terminal, described uplink authorization message comprises RACH resource described in described base station scheduling to the schedule information of described first terminal transmission data, and described uplink authorization message is used to indicate described first terminal and uses described RACH resource to carry out transfer of data according to described schedule information;
Detailed content is with reference to described in step 104.
205, according to the cycle of transmission RACH demand signalling, described base station determines that RACH resource described in current time can by use transmission RACH demand signalling, then described RACH resource is carried out to the demodulation of RACH demand signalling, if the success of demodulation RACH demand signalling, then connect with the second terminal initiating described RACH demand signalling; Or described base station is to the demodulation described RACH resource being carried out RACH demand signalling, if the success of demodulation RACH demand signalling, then connect with the second terminal initiating described RACH demand signalling; If failure, then according to the demodulation of described schedule information to the cyclic redundancy check (CRC) code CRC of the enterprising row data of described RACH resource;
Although in physics realization, described base station cannot judge the content that described RACH resource carries, but in a kind of possible implementation of the data transmission method of the application: because RACH resource specifies the cycle of a transmission RACH demand signalling in the protocol, according to the cycle of transmission RACH demand signalling, base station can determine whether RACH resource described in current time can by use transmission RACH demand signalling, if, then described RACH resource is carried out to the demodulation of RACH demand signalling, if the success of demodulation RACH demand signalling, then connect with the second terminal initiating described RACH demand signalling, if not, then described RACH resource is carried out to the demodulation of data.
In another kind of possible implementation, no matter when, base station can arrange base station and carry out demodulation according to two kinds of demodulation modes to described RACH resource, the demodulation of RACH demand signalling is first carried out in described base station to described RACH resource, if described base station unsuccessful demodulation goes out RACH demand signalling, then indicate that the second terminal request accesses described base station, then described base station is described second terminal distribution channel resource, and connects with described second terminal; If described base station cannot demodulate RACH demand signalling, then data demodulates is carried out to described RACH resource in described base station, and demodulate the CRC of described data, then represent that described RACH resource carries the data content of described first terminal transmission, described base station then can obtain described first terminal and send data.
In the embodiment of the present application, the demodulation of RACH demand signalling is first carried out in base station to RACH resource, if cannot unsuccessful demodulation when going out RACH demand signalling, RACH resource be being carried out to the demodulation of data.Like this, decrease the stand-by period of user's access, improve Consumer's Experience.
On the basis of method shown in Fig. 1, further, please refer to shown in Fig. 3, this application provides the method for another transmission data, comprising:
301, base station receives the transmitting uplink data request that first terminal sends;
Detailed content is with reference to described in step 101.
302, described base station configures described RACH resource for transmitting the cycle of RACH demand signalling, and in the moment in cycle of described transmission RACH demand signalling, described RACH resource is for transmitting RACH demand signalling;
In existing standard agreement, RACH resource is configured periodically for transmitting RACH demand signalling, and maximum cycle is 20ms, and result in RACH resource can frequently be dispatched.But under the scene of indoor, not multiple terminal needs frequent access base station, so in the method for the transfer of data of the application, the maximum cycle configuration of RACH resource is cancelled in base station.In order to ensure when there being terminal to need can use described RACH resource during access, described base station is the cycle that described RACH resource is configured for transmission RACH demand signalling according to actual conditions, when being in transmission RACH moment in demand signalling cycle, described RACH resource is then broadcasted in described base station, for the access of terminal.Cycle size for transmitting RACH demand signalling is configurable, and can more than level second be configured to, different scene carries out difference configuration: as passback scene, configuration cycle is 2S, little bandwidth scenarios, and configuration cycle is 1S, middle-size and small-size office space, configuration cycle is 2S, home scenarios, and configuration cycle is 10S etc.
303, when described base station determines that current time is the moment in cycle of non-transmitting RACH demand signalling, described base station configuration RACH resource is for transmitting data;
Because the priority of transmission RACH demand signalling is higher than the priority transmitting data, in order to avoid RACH resource is interfered, cause terminal cannot access base station, so described base station is when configuring RACH resource for transmitting data, first judging that whether current time is the moment in cycle of non-transmitting RACH demand signalling, if not, then configuring described RACH resource for transmitting data, if so, other channel resources are then configured for transmitting data.
304, when described base station determines that described RACH resource is unoccupied, RACH resource described in described base station scheduling gives described first terminal transmission data;
Detailed content is with reference to described in step 203.
305, described base station sends uplink authorization message to described first terminal, described uplink authorization message comprises RACH resource described in described base station scheduling to the schedule information of described first terminal transmission data, and described uplink authorization message is used to indicate described first terminal and uses described RACH resource to carry out transfer of data according to described schedule information;
Detailed content is with reference to described in step 104.
306, when according to the cycle of described transmission RACH demand signalling, described base station determines that current time is transmission RACH demand signalling, the demodulation of RACH demand signalling is carried out to described RACH resource in described base station, if the success of demodulation RACH demand signalling, then connect with the second terminal initiating described RACH demand signalling; Or when according to the cycle of described transmission RACH demand signalling, described base station determines that current time is non-transmitting RACH demand signalling, the demodulation of the cyclic redundancy check (CRC) code CRC of data is carried out in described base station to described RACH resource;
Due to RACH resource for cycle of transmitting RACH demand signalling for base station configures, and base station is when carrying out base band demodulating, just the time that terminal sends data is determined, when data demodulates is carried out to RACH resource at the appointed time in base station, just can determine whether current time is transmission RACH demand signalling, and if so, the demodulation of RACH demand signalling is then carried out in described base station to described RACH resource, if not, the demodulation of data is then carried out in described base station to described RACH resource.
In the embodiment of the present application, be the cycle of the transmission RACH demand signalling that RACH resource configuration is larger according to actual scene by base station, make the RACH resource more time for transmitting data, improve the utilance of RACH resource.
Further, please refer to shown in Fig. 4 a to Fig. 4 c, on the basis of method shown in composition graphs 1 or Fig. 2 or Fig. 3, this application provides the method for another transmission data, comprising:
401, when described base station detects that the interference value of described RACH resource is greater than predetermined threshold value, described RACH resource is cancelled for transmitting the configuration of data in described base station, and indicates described terminal not use described RACH resource to carry out transfer of data;
RACH resource is likely used by multiple terminal with the period, for the data sent, or the RACH demand signalling for initiating, and to carry RACH demand signalling with the frequency range of data be all adjacent or identical, the information transmitting different types is used with RACH resource in the period, then can cause the overlap of signal energy, mutual interference will inevitably be caused, especially have multiple first terminal and base station set up transfer of data be connected time, if when now having the second terminal to need initiation RACH demand signalling to access described base station, RACH resource then may be caused to disturb excessive and RACH demand signalling cannot be gone out by base station demodulates, cause described second terminal access failure.In order to reduce this situation, in the embodiment of the present application, base station is by the disturbed condition of RACH resource described in real-time or cycle detection, obtain interference value, if when interference value is greater than predetermined threshold value, then represent that the interference that now RACH resource is subject to is comparatively large, described RACH resource is then cancelled for transmitting the configuration of data in described base station, and indicates described terminal not use described RACH resource to carry out transfer of data.When described RACH resource is not used further to transmission data, the disturbed situation of the RACH demand signalling that described RACH resource carries then greatly reduces, and improves the success rate of the second base station access by terminal, thus improves Consumer's Experience.
402, when the continuous preset times in described base station detects that the interference value of described RACH resource is less than or equal to described predetermined threshold value, described base station reconfigures described RACH resource for transmitting data, and indicates described first terminal to use described RACH resource to carry out transfer of data;
When described RACH resource be cancelled be configured for transmission data after, described RACH resource can only be used in the latent period moment being broadcasted transmission RACH demand signalling, in order to improve the utilance of RACH resource, base station detects the interference value suffered by described RACH resource in real time, if when continuous preset times all detects that the interference value suffered by described RACH resource is less than or equal to predetermined threshold value, then described base station reconfigures described RACH resource for transmitting data, and indicate described terminal to use described RACH resource to carry out transfer of data, like this, by dynamic-configuration RACH resource, to improve the utilance of RACH resource, add traffic throughput.
It should be noted that, in the method for the transmission data that the application provides, base station, to the scheduling of RACH resource, can be passed through media access control layer (English full name: MediaAccessControl, english abbreviation: MAC) scheduling and realize.
With reference to shown in Fig. 5, the application provides a kind of device of schedules message, and for the above-mentioned method realizing the transfer of data shown in Fig. 1 to Fig. 4, the device 500 of described schedules message comprises:
Receiver module 501, for receiving the transmitting uplink data request that first terminal sends;
Detailed content is with reference to described in step 101.
Processing module 502, for allocating random access channel RACH resource for transmitting data;
Detailed content is with reference to described in step 102.
Described processing module 502 also gives described first terminal transmission data for, execution cost RACH resource;
Detailed content is with reference to described in step 103.
Sending module 503, for sending uplink authorization message to described first terminal, described uplink authorization message comprises RACH resource described in described base station scheduling to the schedule information of described first terminal transmission data, and described uplink authorization message is used to indicate described first terminal and uses described RACH resource to carry out transfer of data according to described schedule information;
Detailed content is with reference to described in step 104.
Alternatively, described processing module 502 also for:
At described sending module 503 to after described first terminal sends uplink authorization message, determine that RACH resource described in current time can by use transmission RACH demand signalling according to the cycle of transmission RACH demand signalling, then described RACH resource is carried out to the demodulation of RACH demand signalling, if the success of demodulation RACH demand signalling, then connect with the second terminal initiating described RACH demand signalling; Or,
To the demodulation described RACH resource being carried out RACH demand signalling, if the success of demodulation RACH demand signalling, then connect with the second terminal initiating described RACH demand signalling; If failure, then to the demodulation of the cyclic redundancy check (CRC) code CRC of the enterprising row data of described RACH resource.
Detailed content is with reference to described in step 205.
Alternatively, described processing module 502 also for:
Configure described RACH resource for transmitting the cycle of RACH demand signalling, in the moment in cycle of described transmission RACH demand signalling, described RACH resource is for transmitting RACH demand signalling.
Detailed content is with reference to described in step 302.
Alternatively, described processing module 502 specifically for:
When determining that current time is the moment in cycle of non-transmitting RACH demand signalling, configuration RACH resource is for transmitting data.
Detailed content is with reference to described in step 303.
Alternatively, described processing module 502 also for:
At described sending module 503 to after described first terminal sends uplink authorization message, when according to the cycle of described transmission RACH demand signalling, described processing module 502 determines that current time is transmission RACH demand signalling, described RACH resource is carried out to the demodulation of RACH demand signalling, if the success of demodulation RACH demand signalling, then connect with the second terminal initiating described RACH demand signalling; Or,
When according to the cycle of described transmission RACH demand signalling, described processing module 502 determines that current time is non-transmitting RACH demand signalling, according to described schedule information, described RACH resource is carried out to the demodulation of the cyclic redundancy check (CRC) code CRC of data.
Detailed content is with reference to described in step 306.
Alternatively, described processing module 502 also for:
When described processing module 502 detects that the interference value of described RACH resource is greater than predetermined threshold value, cancel described RACH resource for transmitting the configuration of data, and indicate described terminal not use described RACH resource to carry out transfer of data.
Detailed content is with reference to described in step 401.
Alternatively, described processing module 502 also for:
Described processing module 502 cancel described RACH resource for transmit data configuration after, when preset times detects that the interference value of described RACH resource is less than or equal to described predetermined threshold value to described processing module 502 continuously, reconfigure described RACH resource for transmitting data, and indicate described first terminal to use described RACH resource to carry out transfer of data.
Detailed content is with reference to described in step 402.
Alternatively, described processing module 502 concrete also for:
When determining that described RACH resource is unoccupied, execution cost RACH resource gives described first terminal transmission data.
Detailed content is with reference to described in step 203.
Based on the method for the above-mentioned transmission data provided of the application, the application provides a kind of base station 600, for realize above-mentioned transmission data method in the function of base station, as shown in Figure 6, base station 600 comprises processor 601, transmitter 602 and receiver 603, wherein, described processor 601, is interconnected by bus 604 between described transmitter 602 and described receiver 603.
Described receiver 603, for realizing the function of sending module 501 in Fig. 5 embodiment.
Described processor 601, for realizing the function of processing module 502 in Fig. 5 embodiment.
Described transmitter 602, for realizing the function of sending module 503 in Fig. 5 embodiment.
Described processor 401 can be general processor, and (CentralProcessingUnit, is called for short: CPU), (NetworkProcessor, is called for short: NP) etc. network processing unit to comprise central processing unit; Can also be digital signal processor (DigitalSignalProcessing, DSP), application-specific integrated circuit (ASIC) (ApplicationSpecificIntegratedCircuit be called for short:, FPGA) or other programmable logic devices etc. be called for short: ASIC), (Field-ProgrammableGateArray is called for short: field programmable gate array.
When described processor 601 is CPU, described base station 600 can also comprise: memory, for storage program.Particularly, program can comprise program code, and described program code comprises computer-managed instruction.Memory may comprise random access memory, and (randomaccessmemory is called for short: RAM), still may comprise nonvolatile memory (non-volatilememory), such as at least one magnetic disc store.Described processor 601 performs the program code stored in described memory, realizes above-mentioned functions.
The above, above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment to present application has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the application.
Claims (16)
1. transmit a method for data, it is characterized in that, described method comprises:
Described base station receives the transmitting uplink data request that first terminal sends;
Described base station allocating random access channel RACH resource is for transmitting data;
RACH resource described in described base station scheduling gives described first terminal transmission data;
Described base station sends uplink authorization message to described first terminal, described uplink authorization message comprises RACH resource described in described base station scheduling to the schedule information of described first terminal transmission data, and described uplink authorization message is used to indicate described first terminal and uses described RACH resource to carry out transfer of data according to described schedule information.
2. method according to claim 1, is characterized in that, in described base station to after described first terminal sends uplink authorization message, described method also comprises:
According to the cycle of transmission RACH demand signalling, described base station determines that RACH resource described in current time can by use transmission RACH demand signalling, then described RACH resource is carried out to the demodulation of RACH demand signalling, if the success of demodulation RACH demand signalling, then connect with the second terminal initiating described RACH demand signalling; Or,
Described base station is to the demodulation described RACH resource being carried out RACH demand signalling, if the success of demodulation RACH demand signalling, then connects with the second terminal initiating described RACH demand signalling; If failure, then according to the demodulation of described schedule information to the cyclic redundancy check (CRC) code CRC of the enterprising row data of described RACH resource.
3. method according to claim 1, is characterized in that, described method also comprises:
Described base station configures described RACH resource for transmitting the cycle of RACH demand signalling, and in the moment in cycle of described transmission RACH demand signalling, described RACH resource is for transmitting RACH demand signalling.
4. method according to claim 3, is characterized in that, described base station allocating random access channel RACH resource comprises for transmitting data:
When described base station determines that current time is the moment in cycle of non-transmitting RACH demand signalling, described base station configuration RACH resource is for transmitting data.
5. the method according to claim 3 or 4, is characterized in that, in described base station to after described first terminal sends uplink authorization message, described method also comprises:
When according to the cycle of described transmission RACH demand signalling, described base station determines that current time is transmission RACH demand signalling, the demodulation of RACH demand signalling is carried out to described RACH resource in described base station, if the success of demodulation RACH demand signalling, then connect with the second terminal initiating described RACH demand signalling; Or,
When according to the cycle of described transmission RACH demand signalling, described base station determines that current time is non-transmitting RACH demand signalling, the demodulation of the cyclic redundancy check (CRC) code CRC of data is carried out in described base station to described RACH resource according to described schedule information.
6. according to the method for claim 1 to 5 wherein described in any one, it is characterized in that, described method also comprises:
When described base station detects that the interference value of described RACH resource is greater than predetermined threshold value, described RACH resource is cancelled for transmitting the configuration of data in described base station, and indicates described terminal not use described RACH resource to carry out transfer of data.
7. method according to claim 6, is characterized in that, described base station cancel described RACH resource for transmit data configuration after, described method also comprises:
When the continuous preset times in described base station detects that the interference value of described RACH resource is less than or equal to described predetermined threshold value, described base station reconfigures described RACH resource for transmitting data, and indicates described first terminal to use described RACH resource to carry out transfer of data.
8. according to the method for claim 1 to 7 wherein described in any one, it is characterized in that, RACH resource described in described base station scheduling comprises to described first terminal transmission data:
When described base station determines that described RACH resource is unoccupied, RACH resource described in described base station scheduling gives described first terminal transmission data.
9. transmit a device for data, it is characterized in that, described device comprises:
Receiver module, for receiving the transmitting uplink data request that first terminal sends;
Processing module, for allocating random access channel RACH resource for transmitting data;
Described processing module also gives described first terminal transmission data for, execution cost RACH resource;
Sending module, for sending uplink authorization message to described first terminal, described uplink authorization message comprises RACH resource described in described base station scheduling to the schedule information of described first terminal transmission data, and described uplink authorization message is used to indicate described first terminal and uses described RACH resource to carry out transfer of data according to described schedule information.
10. device according to claim 9, is characterized in that, described processing module also for:
At described sending module to after described first terminal sends uplink authorization message, determine that RACH resource described in current time can by use transmission RACH demand signalling according to the cycle of transmission RACH demand signalling, then described RACH resource is carried out to the demodulation of RACH demand signalling, if the success of demodulation RACH demand signalling, then connect with the second terminal initiating described RACH demand signalling; Or,
To the demodulation described RACH resource being carried out RACH demand signalling, if the success of demodulation RACH demand signalling, then connect with the second terminal initiating described RACH demand signalling; If failure, then to the demodulation of the cyclic redundancy check (CRC) code CRC of the enterprising row data of described RACH resource.
11. devices according to claim 9, is characterized in that, described processing module also for:
Configure described RACH resource for transmitting the cycle of RACH demand signalling, in the moment in cycle of described transmission RACH demand signalling, described RACH resource is for transmitting RACH demand signalling.
12. devices according to claim 11, is characterized in that, described processing module specifically for:
When determining that current time is the moment in cycle of non-transmitting RACH demand signalling, configuration RACH resource is for transmitting data.
13. devices according to claim 11 or 12, is characterized in that, described processing module also for:
At described sending module to after described first terminal sends uplink authorization message, when according to the cycle of described transmission RACH demand signalling, described processing module determines that current time is transmission RACH demand signalling, described RACH resource is carried out to the demodulation of RACH demand signalling, if the success of demodulation RACH demand signalling, then connect with the second terminal initiating described RACH demand signalling; Or,
When according to the cycle of described transmission RACH demand signalling, described processing module determines that current time is non-transmitting RACH demand signalling, according to described schedule information, described RACH resource is carried out to the demodulation of the cyclic redundancy check (CRC) code CRC of data.
14., according to the device of claim 9 to 13 wherein described in any one, is characterized in that, described processing module also for:
When described processing module detects that the interference value of described RACH resource is greater than predetermined threshold value, cancel described RACH resource for transmitting the configuration of data, and indicate described terminal not use described RACH resource to carry out transfer of data.
15. devices according to claim 14, is characterized in that, described processing module also for:
Described processing module cancel described RACH resource for transmit data configuration after, when the continuous preset times of described processing module detects that the interference value of described RACH resource is less than or equal to described predetermined threshold value, reconfigure described RACH resource for transmitting data, and indicate described first terminal to use described RACH resource to carry out transfer of data.
16., according to the device of claim 9 to 15 wherein described in any one, is characterized in that, described processing module concrete also for:
When determining that described RACH resource is unoccupied, execution cost RACH resource gives described first terminal transmission data.
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| CN105517174B (en) | 2019-04-05 |
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